| Message ID | 20170214094112.27426-12-quentin.schulz@free-electrons.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Tue, Feb 14, 2017 at 5:41 PM, Quentin Schulz <quentin.schulz@free-electrons.com> wrote: > The X-Powers AXP20X and AXP22X PMICs can have a battery as power supply. > > This patch adds the DT binding documentation for the battery power > supply which gets various data from the PMIC, such as the battery status > (charging, discharging, full, dead), current max limit, current current, > battery capacity (in percentage), voltage max and min limits, current > voltage and battery capacity (in Ah). > > Signed-off-by: Quentin Schulz <quentin.schulz@free-electrons.com> > Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com> > --- > > v3: > - removed constant charge current property, now should use the WIP > battery framework, IIRC this should also include a property for referencing the battery? Otherwise, Acked-by: Chen-Yu Tsai <wens@csie.org> > > v2: > - changed DT node name from ac_power_supply to ac-power-supply, > - removed io-channels and io-channel-names from DT (the IIO mapping is > done in the IIO ADC driver now), > - added x-powers,constant-charge-current property to set the maximal > default constant current charge of the battery, > > .../bindings/power/supply/axp20x_battery.txt | 20 ++++++++++++++++++++ > 1 file changed, 20 insertions(+) > create mode 100644 Documentation/devicetree/bindings/power/supply/axp20x_battery.txt > > diff --git a/Documentation/devicetree/bindings/power/supply/axp20x_battery.txt b/Documentation/devicetree/bindings/power/supply/axp20x_battery.txt > new file mode 100644 > index 0000000..c248866 > --- /dev/null > +++ b/Documentation/devicetree/bindings/power/supply/axp20x_battery.txt > @@ -0,0 +1,20 @@ > +AXP20x and AXP22x battery power supply > + > +Required Properties: > + - compatible, one of: > + "x-powers,axp209-battery-power-supply" > + "x-powers,axp221-battery-power-supply" > + > +This node is a subnode of the axp20x/axp22x PMIC. > + > +The AXP20X and AXP22X can read the battery voltage, charge and discharge > +currents of the battery by reading ADC channels from the AXP20X/AXP22X > +ADC. > + > +Example: > + > +&axp209 { > + battery_power_supply: battery-power-supply { > + compatible = "x-powers,axp209-battery-power-supply"; > + } > +}; > -- > 2.9.3 >
Hi Chen-Yu, On 21/02/2017 05:45, Chen-Yu Tsai wrote: > On Tue, Feb 14, 2017 at 5:41 PM, Quentin Schulz > <quentin.schulz@free-electrons.com> wrote: >> The X-Powers AXP20X and AXP22X PMICs can have a battery as power supply. >> >> This patch adds the DT binding documentation for the battery power >> supply which gets various data from the PMIC, such as the battery status >> (charging, discharging, full, dead), current max limit, current current, >> battery capacity (in percentage), voltage max and min limits, current >> voltage and battery capacity (in Ah). >> >> Signed-off-by: Quentin Schulz <quentin.schulz@free-electrons.com> >> Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com> >> --- >> >> v3: >> - removed constant charge current property, now should use the WIP >> battery framework, > > IIRC this should also include a property for referencing the battery? > Indeed. Quentin > Otherwise, > > Acked-by: Chen-Yu Tsai <wens@csie.org> > >> >> v2: >> - changed DT node name from ac_power_supply to ac-power-supply, >> - removed io-channels and io-channel-names from DT (the IIO mapping is >> done in the IIO ADC driver now), >> - added x-powers,constant-charge-current property to set the maximal >> default constant current charge of the battery, >> >> .../bindings/power/supply/axp20x_battery.txt | 20 ++++++++++++++++++++ >> 1 file changed, 20 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/power/supply/axp20x_battery.txt >> >> diff --git a/Documentation/devicetree/bindings/power/supply/axp20x_battery.txt b/Documentation/devicetree/bindings/power/supply/axp20x_battery.txt >> new file mode 100644 >> index 0000000..c248866 >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/power/supply/axp20x_battery.txt >> @@ -0,0 +1,20 @@ >> +AXP20x and AXP22x battery power supply >> + >> +Required Properties: >> + - compatible, one of: >> + "x-powers,axp209-battery-power-supply" >> + "x-powers,axp221-battery-power-supply" >> + >> +This node is a subnode of the axp20x/axp22x PMIC. >> + >> +The AXP20X and AXP22X can read the battery voltage, charge and discharge >> +currents of the battery by reading ADC channels from the AXP20X/AXP22X >> +ADC. >> + >> +Example: >> + >> +&axp209 { >> + battery_power_supply: battery-power-supply { >> + compatible = "x-powers,axp209-battery-power-supply"; >> + } >> +}; >> -- >> 2.9.3 >>
diff --git a/Documentation/devicetree/bindings/power/supply/axp20x_battery.txt b/Documentation/devicetree/bindings/power/supply/axp20x_battery.txt new file mode 100644 index 0000000..c248866 --- /dev/null +++ b/Documentation/devicetree/bindings/power/supply/axp20x_battery.txt @@ -0,0 +1,20 @@ +AXP20x and AXP22x battery power supply + +Required Properties: + - compatible, one of: + "x-powers,axp209-battery-power-supply" + "x-powers,axp221-battery-power-supply" + +This node is a subnode of the axp20x/axp22x PMIC. + +The AXP20X and AXP22X can read the battery voltage, charge and discharge +currents of the battery by reading ADC channels from the AXP20X/AXP22X +ADC. + +Example: + +&axp209 { + battery_power_supply: battery-power-supply { + compatible = "x-powers,axp209-battery-power-supply"; + } +};